Finding the Fourth Proportional to 241,087.72, 361,638.24 and 91,300.06

Step by Step Solution

1. Step 1: Write the proportion equation
   241,087.72 : 361,638.24 = 91,300.06 : x
2. Step 2: Convert to fraction form
   241,087.72/361,638.24 = 91,300.06/x
3. Step 3: Cross multiply
   241,087.72x = 361,638.24 × 91,300.06
4. Step 4: Simplify right side
   241,087.72x = 33,017,593,010.29
5. Step 5: Solve for x
   x = 33,017,593,010.29/241,087.72
6. Step 6: Final answer
   x = 136,952.61